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File upload
2 Answer(s)      8 years ago
Posted in : JSP-Servlet


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November 11, 2008 at 12:08 AM

Hi friend,

<%@ page language="java" %>
<HEAD><TITLE>Display file upload form to the user</TITLE></HEAD>

<BODY> <FORM ENCTYPE="multipart/form-data" ACTION="FileUploadAction.jsp" METHOD=POST>
<table border="1" bgcolor=#ccFDD00 cellspacing="0" cellpadding="0">
<td colspan="2" align="center"><B>File Uload Using JSP</B><center></td>
<td colspan="2" align="center">&nbsp;</td>
<td><b>Choose the file To Upload:</b></td>
<td><INPUT NAME="file" TYPE="file" size="40"></td>
<td colspan="2" align="center">&nbsp;</td>
<td colspan="2" align="center"><INPUT TYPE="submit" VALUE="Send File" >
<INPUT TYPE="reset" VALUE="Reset" >

November 11, 2008 at 12:10 AM

File upload action file.

<%@ page import="*,java.sql.*,java.util.*,java.text.*,java.text.SimpleDateFormat" %>
int val =0;
String contentType = request.getContentType();
if ((contentType != null) && (contentType.indexOf("multipart/form-data") >= 0)) {
DataInputStream in = new DataInputStream(request.getInputStream());
int formDataLength = request.getContentLength();
byte dataBytes[] = new byte[formDataLength];
int byteRead = 0;
int totalBytesRead = 0;

while (totalBytesRead < formDataLength) {
byteRead =, totalBytesRead, formDataLength);
totalBytesRead += byteRead;
String file = new String(dataBytes);
String saveFile = file.substring(file.indexOf("filename=\"") + 10);
System.out.println("saveFile=" + saveFile);
saveFile = saveFile.substring(saveFile.lastIndexOf("\\")+ 1,saveFile.indexOf("\""));
System.out.println("saveFile" + saveFile);
saveFile = file.substring(file.indexOf("filename=\"") + 10);
saveFile = saveFile.substring(0, saveFile.indexOf("\n"));
saveFile = saveFile.substring(saveFile.lastIndexOf("\\")+ 1,saveFile.indexOf("\""));
int lastIndex = contentType.lastIndexOf("=");
String boundary = contentType.substring(lastIndex + 1,contentType.length());
int pos;

pos = file.indexOf("filename=\"");
pos = file.indexOf("\n", pos) + 1;
pos = file.indexOf("\n", pos) + 1;
pos = file.indexOf("\n", pos) + 1;
int boundaryLocation = file.indexOf(boundary, pos) - 4;
int startPos = ((file.substring(0, pos)).getBytes()).length;
int endPos = ((file.substring(0, boundaryLocation)).getBytes()).length;

FileOutputStream fileOut = new FileOutputStream(saveFile);
fileOut.write(dataBytes, startPos, (endPos - startPos));

Connection con=null;
PreparedStatement pstatement = null;
String line = null;
String value=null;
String url = "jdbc:mysql://";;
String dbName = "amar";
String driver = "com.mysql.jdbc.Driver";
String userName = "amar";
String password = "amar123";
StringBuilder contents = new StringBuilder();
BufferedReader input = new BufferedReader(new FileReader(saveFile));
while (( line = input.readLine()) != null){
value = contents.toString();
con = DriverManager.getConnection(url+dbName,userName,password);
java.util.Date now = new java.util.Date();
String DATE_FORMAT = "yyyy-MM-dd hh:mm:ss";
SimpleDateFormat sdf = new SimpleDateFormat(DATE_FORMAT);
String strDateNew = sdf.format(now) ;
String queryString = "INSERT INTO FileUpload set filename='"+value+"',filedate='"+strDateNew+"'";

val = pstatement.executeUpdate();

<b>File <% out.println(saveFile); %> has been uploaded and inserted into Database at <%=strDateNew%>.</b>

catch(Exception e){
System.out.println("Error :" + e);



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